Kills on contact! Clear formula! Up to 9 month control indoors. Non-staining, no odor. Indoor + home barrier treatment. Ready to use. Leaves no odor. Water-based, clear formula. No oily residue. Kills ants, roaches, spiders, fleas and ticks. Use indoors and as an outdoor foundation treatment. What it does: Kills ants, Asian beetles, roaches, fleas, ticks, spiders, crickets, earwigs, silverfish and other listed insects. Where to use: Indoors: In cracks and crevices, along baseboards, under sinks, behind stoves and refrigerators and anywhere insects may hide. Outdoors: Outside surfaces of screens, doors and window frames, porches, patios, building or wherever insects may enter.